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Pipe freezing offshore: safety implications

Pipe freezing offshore: safety implications
Pipe freezing offshore: safety implications
Pipe freezing (freeze sealing) is a technique which can be used on liquid filled pipelines to produce a solid, pressure resistant plug which can be used for the temporary isolation of a section of pipe. The safety implications of using this technique offshore are concerned with the risk of plug failure, risk to the integrity of the pipe and the use of cryogenic liquids. These issues are addressed through a discussion of their associated parameters and the principal areas of concern are highlighted. Operational considerations include categorisation of the freeze isolation and risk assessment in addition to the choice of appropriate freezing method. This paper addresses these issues based on experience gained from extensive research into pipe freezing and, whilst no attempt is made to reconcile these to detailed offshore practices, attention is drawn to the main factors that should be considered.
0791814947
511-517
The American Society of Mechanical Engineers
Bowen, R.J.
157b6e67-cea0-4f6d-9f19-df219af0a184
Keary, A.C.
188a4da5-f156-4f75-8a09-7a4e273cd2ae
Syngellakis, S.
1607c57d-5ed1-401c-bbec-92dc330462ea
Murray, Alan
Bowen, R.J.
157b6e67-cea0-4f6d-9f19-df219af0a184
Keary, A.C.
188a4da5-f156-4f75-8a09-7a4e273cd2ae
Syngellakis, S.
1607c57d-5ed1-401c-bbec-92dc330462ea
Murray, Alan

Bowen, R.J., Keary, A.C. and Syngellakis, S. (1996) Pipe freezing offshore: safety implications. Murray, Alan (ed.) In Proceedings of the 15th International Conference on Offshore Mechanics and Arctic Engineering: Pipeline Technology. The American Society of Mechanical Engineers. pp. 511-517 .

Record type: Conference or Workshop Item (Paper)

Abstract

Pipe freezing (freeze sealing) is a technique which can be used on liquid filled pipelines to produce a solid, pressure resistant plug which can be used for the temporary isolation of a section of pipe. The safety implications of using this technique offshore are concerned with the risk of plug failure, risk to the integrity of the pipe and the use of cryogenic liquids. These issues are addressed through a discussion of their associated parameters and the principal areas of concern are highlighted. Operational considerations include categorisation of the freeze isolation and risk assessment in addition to the choice of appropriate freezing method. This paper addresses these issues based on experience gained from extensive research into pipe freezing and, whilst no attempt is made to reconcile these to detailed offshore practices, attention is drawn to the main factors that should be considered.

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More information

Published date: 1996
Venue - Dates: OMAE '96: 15th International Conference on Offshore Mechanics and Arctic Engineering: Pipeline Technology, Florence, Italy, 1996-06-16 - 1996-06-20

Identifiers

Local EPrints ID: 21220
URI: http://eprints.soton.ac.uk/id/eprint/21220
ISBN: 0791814947
PURE UUID: fb25e59c-24b8-4a2a-8ba1-a679e48dd86d

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Date deposited: 10 Nov 2006
Last modified: 15 Mar 2024 06:29

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Contributors

Author: R.J. Bowen
Author: A.C. Keary
Author: S. Syngellakis
Editor: Alan Murray

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